How do you guys deal with stress and when do you think it’s time for a new job if you’re not enjoying your current job?

For me, that is a three-step ladder.

1. What can I do to relieve myself from stress at work? The obvious bullet point is priorities, however that usually includes that you will disappoint someone else. Choose carefully there. Next, sequence your work, if it is possible to deliver first task A, then B, then C, that is less stressful for you and more efficient work than working on A,B and C at the same time. There is a lot more that can be said about this but I think you get the point.

2. Talk to your manager. Are you working with things you do not want to work with? See if the company has a career way that fits your purpose and investigate how you can transition. Do you have too much work? Tell them that the expectations to you are not realistic and try to work out how you can offload some work to other resources.

3. Start looking for a new job.

Always do only one thing at a time. Make that thing "watching interesting or funny stuff on Youtube" when stressed to get unstressed again.

No sarcasm or irony. It actually works that way.

Question 1: step back
Question 2: Changed Jobs 3 times prior to self employment. And every time a big reason was that I could not evolve like I intended to anymore